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-rw-r--r--hw/lance.c372
1 files changed, 186 insertions, 186 deletions
diff --git a/hw/lance.c b/hw/lance.c
index cf02333dd5..400cce5fb1 100644
--- a/hw/lance.c
+++ b/hw/lance.c
@@ -48,55 +48,55 @@ do { printf("LANCE: " fmt , ##args); } while (0)
#define LE_RDP 0
#define LE_RAP 1
-#define LE_MO_PROM 0x8000 /* Enable promiscuous mode */
-
-#define LE_C0_ERR 0x8000 /* Error: set if BAB, SQE, MISS or ME is set */
-#define LE_C0_BABL 0x4000 /* BAB: Babble: tx timeout. */
-#define LE_C0_CERR 0x2000 /* SQE: Signal quality error */
-#define LE_C0_MISS 0x1000 /* MISS: Missed a packet */
-#define LE_C0_MERR 0x0800 /* ME: Memory error */
-#define LE_C0_RINT 0x0400 /* Received interrupt */
-#define LE_C0_TINT 0x0200 /* Transmitter Interrupt */
-#define LE_C0_IDON 0x0100 /* IFIN: Init finished. */
-#define LE_C0_INTR 0x0080 /* Interrupt or error */
-#define LE_C0_INEA 0x0040 /* Interrupt enable */
-#define LE_C0_RXON 0x0020 /* Receiver on */
-#define LE_C0_TXON 0x0010 /* Transmitter on */
-#define LE_C0_TDMD 0x0008 /* Transmitter demand */
-#define LE_C0_STOP 0x0004 /* Stop the card */
-#define LE_C0_STRT 0x0002 /* Start the card */
-#define LE_C0_INIT 0x0001 /* Init the card */
-
-#define LE_C3_BSWP 0x4 /* SWAP */
-#define LE_C3_ACON 0x2 /* ALE Control */
-#define LE_C3_BCON 0x1 /* Byte control */
+#define LE_MO_PROM 0x8000 /* Enable promiscuous mode */
+
+#define LE_C0_ERR 0x8000 /* Error: set if BAB, SQE, MISS or ME is set */
+#define LE_C0_BABL 0x4000 /* BAB: Babble: tx timeout. */
+#define LE_C0_CERR 0x2000 /* SQE: Signal quality error */
+#define LE_C0_MISS 0x1000 /* MISS: Missed a packet */
+#define LE_C0_MERR 0x0800 /* ME: Memory error */
+#define LE_C0_RINT 0x0400 /* Received interrupt */
+#define LE_C0_TINT 0x0200 /* Transmitter Interrupt */
+#define LE_C0_IDON 0x0100 /* IFIN: Init finished. */
+#define LE_C0_INTR 0x0080 /* Interrupt or error */
+#define LE_C0_INEA 0x0040 /* Interrupt enable */
+#define LE_C0_RXON 0x0020 /* Receiver on */
+#define LE_C0_TXON 0x0010 /* Transmitter on */
+#define LE_C0_TDMD 0x0008 /* Transmitter demand */
+#define LE_C0_STOP 0x0004 /* Stop the card */
+#define LE_C0_STRT 0x0002 /* Start the card */
+#define LE_C0_INIT 0x0001 /* Init the card */
+
+#define LE_C3_BSWP 0x4 /* SWAP */
+#define LE_C3_ACON 0x2 /* ALE Control */
+#define LE_C3_BCON 0x1 /* Byte control */
/* Receive message descriptor 1 */
-#define LE_R1_OWN 0x80 /* Who owns the entry */
-#define LE_R1_ERR 0x40 /* Error: if FRA, OFL, CRC or BUF is set */
-#define LE_R1_FRA 0x20 /* FRA: Frame error */
-#define LE_R1_OFL 0x10 /* OFL: Frame overflow */
-#define LE_R1_CRC 0x08 /* CRC error */
-#define LE_R1_BUF 0x04 /* BUF: Buffer error */
-#define LE_R1_SOP 0x02 /* Start of packet */
-#define LE_R1_EOP 0x01 /* End of packet */
-#define LE_R1_POK 0x03 /* Packet is complete: SOP + EOP */
-
-#define LE_T1_OWN 0x80 /* Lance owns the packet */
-#define LE_T1_ERR 0x40 /* Error summary */
-#define LE_T1_EMORE 0x10 /* Error: more than one retry needed */
-#define LE_T1_EONE 0x08 /* Error: one retry needed */
-#define LE_T1_EDEF 0x04 /* Error: deferred */
-#define LE_T1_SOP 0x02 /* Start of packet */
-#define LE_T1_EOP 0x01 /* End of packet */
-#define LE_T1_POK 0x03 /* Packet is complete: SOP + EOP */
-
-#define LE_T3_BUF 0x8000 /* Buffer error */
-#define LE_T3_UFL 0x4000 /* Error underflow */
-#define LE_T3_LCOL 0x1000 /* Error late collision */
-#define LE_T3_CLOS 0x0800 /* Error carrier loss */
-#define LE_T3_RTY 0x0400 /* Error retry */
-#define LE_T3_TDR 0x03ff /* Time Domain Reflectometry counter */
+#define LE_R1_OWN 0x80 /* Who owns the entry */
+#define LE_R1_ERR 0x40 /* Error: if FRA, OFL, CRC or BUF is set */
+#define LE_R1_FRA 0x20 /* FRA: Frame error */
+#define LE_R1_OFL 0x10 /* OFL: Frame overflow */
+#define LE_R1_CRC 0x08 /* CRC error */
+#define LE_R1_BUF 0x04 /* BUF: Buffer error */
+#define LE_R1_SOP 0x02 /* Start of packet */
+#define LE_R1_EOP 0x01 /* End of packet */
+#define LE_R1_POK 0x03 /* Packet is complete: SOP + EOP */
+
+#define LE_T1_OWN 0x80 /* Lance owns the packet */
+#define LE_T1_ERR 0x40 /* Error summary */
+#define LE_T1_EMORE 0x10 /* Error: more than one retry needed */
+#define LE_T1_EONE 0x08 /* Error: one retry needed */
+#define LE_T1_EDEF 0x04 /* Error: deferred */
+#define LE_T1_SOP 0x02 /* Start of packet */
+#define LE_T1_EOP 0x01 /* End of packet */
+#define LE_T1_POK 0x03 /* Packet is complete: SOP + EOP */
+
+#define LE_T3_BUF 0x8000 /* Buffer error */
+#define LE_T3_UFL 0x4000 /* Error underflow */
+#define LE_T3_LCOL 0x1000 /* Error late collision */
+#define LE_T3_CLOS 0x0800 /* Error carrier loss */
+#define LE_T3_RTY 0x0400 /* Error retry */
+#define LE_T3_TDR 0x03ff /* Time Domain Reflectometry counter */
#define TX_RING_SIZE (1 << (LANCE_LOG_TX_BUFFERS))
#define TX_RING_MOD_MASK (TX_RING_SIZE - 1)
@@ -111,42 +111,42 @@ do { printf("LANCE: " fmt , ##args); } while (0)
#define TX_BUFF_SIZE PKT_BUF_SZ
struct lance_rx_desc {
- unsigned short rmd0; /* low address of packet */
- unsigned char rmd1_bits; /* descriptor bits */
- unsigned char rmd1_hadr; /* high address of packet */
- short length; /* This length is 2s complement (negative)!
- * Buffer length
- */
- unsigned short mblength; /* This is the actual number of bytes received */
+ unsigned short rmd0; /* low address of packet */
+ unsigned char rmd1_bits; /* descriptor bits */
+ unsigned char rmd1_hadr; /* high address of packet */
+ short length; /* This length is 2s complement (negative)!
+ * Buffer length
+ */
+ unsigned short mblength; /* This is the actual number of bytes received */
};
struct lance_tx_desc {
- unsigned short tmd0; /* low address of packet */
- unsigned char tmd1_bits; /* descriptor bits */
- unsigned char tmd1_hadr; /* high address of packet */
- short length; /* Length is 2s complement (negative)! */
+ unsigned short tmd0; /* low address of packet */
+ unsigned char tmd1_bits; /* descriptor bits */
+ unsigned char tmd1_hadr; /* high address of packet */
+ short length; /* Length is 2s complement (negative)! */
unsigned short misc;
};
/* The LANCE initialization block, described in databook. */
/* On the Sparc, this block should be on a DMA region */
struct lance_init_block {
- unsigned short mode; /* Pre-set mode (reg. 15) */
- unsigned char phys_addr[6]; /* Physical ethernet address */
- unsigned filter[2]; /* Multicast filter. */
+ unsigned short mode; /* Pre-set mode (reg. 15) */
+ unsigned char phys_addr[6]; /* Physical ethernet address */
+ unsigned filter[2]; /* Multicast filter. */
/* Receive and transmit ring base, along with extra bits. */
- unsigned short rx_ptr; /* receive descriptor addr */
- unsigned short rx_len; /* receive len and high addr */
- unsigned short tx_ptr; /* transmit descriptor addr */
- unsigned short tx_len; /* transmit len and high addr */
+ unsigned short rx_ptr; /* receive descriptor addr */
+ unsigned short rx_len; /* receive len and high addr */
+ unsigned short tx_ptr; /* transmit descriptor addr */
+ unsigned short tx_len; /* transmit len and high addr */
/* The Tx and Rx ring entries must aligned on 8-byte boundaries. */
struct lance_rx_desc brx_ring[RX_RING_SIZE];
struct lance_tx_desc btx_ring[TX_RING_SIZE];
char tx_buf[TX_RING_SIZE][TX_BUFF_SIZE];
- char pad[2]; /* align rx_buf for copy_and_sum(). */
+ char pad[2]; /* align rx_buf for copy_and_sum(). */
char rx_buf[RX_RING_SIZE][RX_BUFF_SIZE];
};
@@ -155,11 +155,11 @@ struct lance_init_block {
typedef struct LANCEState {
VLANClientState *vc;
- uint8_t macaddr[6]; /* init mac address */
+ uint8_t macaddr[6]; /* init mac address */
uint32_t leptr;
uint16_t addr;
uint16_t regs[LE_NREGS];
- uint8_t phys[6]; /* mac address */
+ uint8_t phys[6]; /* mac address */
int irq;
unsigned int rxptr, txptr;
uint32_t ledmaregs[LEDMA_REGS];
@@ -186,20 +186,20 @@ static uint32_t lance_mem_readw(void *opaque, target_phys_addr_t addr)
saddr = addr & LE_MAXREG;
switch (saddr >> 1) {
case LE_RDP:
- DPRINTF("read dreg[%d] = %4.4x\n", s->addr, s->regs[s->addr]);
- return s->regs[s->addr];
+ DPRINTF("read dreg[%d] = %4.4x\n", s->addr, s->regs[s->addr]);
+ return s->regs[s->addr];
case LE_RAP:
- DPRINTF("read areg = %4.4x\n", s->addr);
- return s->addr;
+ DPRINTF("read areg = %4.4x\n", s->addr);
+ return s->addr;
default:
- DPRINTF("read unknown(%d)\n", saddr >> 1);
- break;
+ DPRINTF("read unknown(%d)\n", saddr >> 1);
+ break;
}
return 0;
}
static void lance_mem_writew(void *opaque, target_phys_addr_t addr,
- uint32_t val)
+ uint32_t val)
{
LANCEState *s = opaque;
uint32_t saddr;
@@ -208,62 +208,62 @@ static void lance_mem_writew(void *opaque, target_phys_addr_t addr,
saddr = addr & LE_MAXREG;
switch (saddr >> 1) {
case LE_RDP:
- DPRINTF("write dreg[%d] = %4.4x\n", s->addr, val);
- switch (s->addr) {
- case LE_CSR0:
- if (val & LE_C0_STOP) {
- s->regs[LE_CSR0] = LE_C0_STOP;
- break;
- }
-
- reg = s->regs[LE_CSR0];
-
- // 1 = clear for some bits
- reg &= ~(val & 0x7f00);
-
- // generated bits
- reg &= ~(LE_C0_ERR | LE_C0_INTR);
- if (reg & 0x7100)
- reg |= LE_C0_ERR;
- if (reg & 0x7f00)
- reg |= LE_C0_INTR;
-
- // direct bit
- reg &= ~LE_C0_INEA;
- reg |= val & LE_C0_INEA;
-
- // exclusive bits
- if (val & LE_C0_INIT) {
- reg |= LE_C0_IDON | LE_C0_INIT;
- reg &= ~LE_C0_STOP;
- } else if (val & LE_C0_STRT) {
- reg |= LE_C0_STRT | LE_C0_RXON | LE_C0_TXON;
- reg &= ~LE_C0_STOP;
- }
-
- s->regs[LE_CSR0] = reg;
- break;
- case LE_CSR1:
- s->leptr = (s->leptr & 0xffff0000) | (val & 0xffff);
- s->regs[s->addr] = val;
- break;
- case LE_CSR2:
- s->leptr = (s->leptr & 0xffff) | ((val & 0xffff) << 16);
- s->regs[s->addr] = val;
- break;
- case LE_CSR3:
- s->regs[s->addr] = val;
- break;
- }
- break;
+ DPRINTF("write dreg[%d] = %4.4x\n", s->addr, val);
+ switch (s->addr) {
+ case LE_CSR0:
+ if (val & LE_C0_STOP) {
+ s->regs[LE_CSR0] = LE_C0_STOP;
+ break;
+ }
+
+ reg = s->regs[LE_CSR0];
+
+ // 1 = clear for some bits
+ reg &= ~(val & 0x7f00);
+
+ // generated bits
+ reg &= ~(LE_C0_ERR | LE_C0_INTR);
+ if (reg & 0x7100)
+ reg |= LE_C0_ERR;
+ if (reg & 0x7f00)
+ reg |= LE_C0_INTR;
+
+ // direct bit
+ reg &= ~LE_C0_INEA;
+ reg |= val & LE_C0_INEA;
+
+ // exclusive bits
+ if (val & LE_C0_INIT) {
+ reg |= LE_C0_IDON | LE_C0_INIT;
+ reg &= ~LE_C0_STOP;
+ } else if (val & LE_C0_STRT) {
+ reg |= LE_C0_STRT | LE_C0_RXON | LE_C0_TXON;
+ reg &= ~LE_C0_STOP;
+ }
+
+ s->regs[LE_CSR0] = reg;
+ break;
+ case LE_CSR1:
+ s->leptr = (s->leptr & 0xffff0000) | (val & 0xffff);
+ s->regs[s->addr] = val;
+ break;
+ case LE_CSR2:
+ s->leptr = (s->leptr & 0xffff) | ((val & 0xffff) << 16);
+ s->regs[s->addr] = val;
+ break;
+ case LE_CSR3:
+ s->regs[s->addr] = val;
+ break;
+ }
+ break;
case LE_RAP:
- DPRINTF("write areg = %4.4x\n", val);
- if (val < LE_NREGS)
- s->addr = val;
- break;
+ DPRINTF("write areg = %4.4x\n", val);
+ if (val < LE_NREGS)
+ s->addr = val;
+ break;
default:
- DPRINTF("write unknown(%d) = %4.4x\n", saddr >> 1, val);
- break;
+ DPRINTF("write unknown(%d) = %4.4x\n", saddr >> 1, val);
+ break;
}
lance_send(s);
}
@@ -299,32 +299,32 @@ static void lance_receive(void *opaque, const uint8_t * buf, int size)
DPRINTF("receive size %d\n", size);
if ((s->regs[LE_CSR0] & LE_C0_STOP) == LE_C0_STOP)
- return;
+ return;
ib = (void *) iommu_translate(dmaptr);
old_rxptr = s->rxptr;
for (i = s->rxptr; i != ((old_rxptr - 1) & RX_RING_MOD_MASK);
- i = (i + 1) & RX_RING_MOD_MASK) {
- cpu_physical_memory_read((uint32_t) & ib->brx_ring[i].rmd1_bits,
- (void *) &temp8, 1);
- if (temp8 == (LE_R1_OWN)) {
- s->rxptr = (s->rxptr + 1) & RX_RING_MOD_MASK;
- temp16 = size + 4;
- bswap16s(&temp16);
- cpu_physical_memory_write((uint32_t) & ib->brx_ring[i].
- mblength, (void *) &temp16, 2);
- cpu_physical_memory_write((uint32_t) & ib->rx_buf[i], buf,
- size);
- temp8 = LE_R1_POK;
- cpu_physical_memory_write((uint32_t) & ib->brx_ring[i].
- rmd1_bits, (void *) &temp8, 1);
- s->regs[LE_CSR0] |= LE_C0_RINT | LE_C0_INTR;
- if (s->regs[LE_CSR0] & LE_C0_INEA)
- pic_set_irq(s->irq, 1);
- DPRINTF("got packet, len %d\n", size);
- return;
- }
+ i = (i + 1) & RX_RING_MOD_MASK) {
+ cpu_physical_memory_read((uint32_t) & ib->brx_ring[i].rmd1_bits,
+ (void *) &temp8, 1);
+ if (temp8 == (LE_R1_OWN)) {
+ s->rxptr = (s->rxptr + 1) & RX_RING_MOD_MASK;
+ temp16 = size + 4;
+ bswap16s(&temp16);
+ cpu_physical_memory_write((uint32_t) & ib->brx_ring[i].
+ mblength, (void *) &temp16, 2);
+ cpu_physical_memory_write((uint32_t) & ib->rx_buf[i], buf,
+ size);
+ temp8 = LE_R1_POK;
+ cpu_physical_memory_write((uint32_t) & ib->brx_ring[i].
+ rmd1_bits, (void *) &temp8, 1);
+ s->regs[LE_CSR0] |= LE_C0_RINT | LE_C0_INTR;
+ if (s->regs[LE_CSR0] & LE_C0_INEA)
+ pic_set_irq(s->irq, 1);
+ DPRINTF("got packet, len %d\n", size);
+ return;
+ }
}
}
@@ -340,35 +340,35 @@ static void lance_send(void *opaque)
DPRINTF("sending packet? (csr0 %4.4x)\n", s->regs[LE_CSR0]);
if ((s->regs[LE_CSR0] & LE_C0_STOP) == LE_C0_STOP)
- return;
+ return;
ib = (void *) iommu_translate(dmaptr);
DPRINTF("sending packet? (dmaptr %8.8x) (ib %p) (btx_ring %p)\n",
- dmaptr, ib, &ib->btx_ring);
+ dmaptr, ib, &ib->btx_ring);
old_txptr = s->txptr;
for (i = s->txptr; i != ((old_txptr - 1) & TX_RING_MOD_MASK);
- i = (i + 1) & TX_RING_MOD_MASK) {
- cpu_physical_memory_read((uint32_t) & ib->btx_ring[i].tmd1_bits,
- (void *) &temp8, 1);
- if (temp8 == (LE_T1_POK | LE_T1_OWN)) {
- cpu_physical_memory_read((uint32_t) & ib->btx_ring[i].length,
- (void *) &temp16, 2);
- bswap16s(&temp16);
- temp16 = (~temp16) + 1;
- cpu_physical_memory_read((uint32_t) & ib->tx_buf[i], pkt_buf,
- temp16);
- DPRINTF("sending packet, len %d\n", temp16);
- qemu_send_packet(s->vc, pkt_buf, temp16);
- temp8 = LE_T1_POK;
- cpu_physical_memory_write((uint32_t) & ib->btx_ring[i].
- tmd1_bits, (void *) &temp8, 1);
- s->txptr = (s->txptr + 1) & TX_RING_MOD_MASK;
- s->regs[LE_CSR0] |= LE_C0_TINT | LE_C0_INTR;
- }
+ i = (i + 1) & TX_RING_MOD_MASK) {
+ cpu_physical_memory_read((uint32_t) & ib->btx_ring[i].tmd1_bits,
+ (void *) &temp8, 1);
+ if (temp8 == (LE_T1_POK | LE_T1_OWN)) {
+ cpu_physical_memory_read((uint32_t) & ib->btx_ring[i].length,
+ (void *) &temp16, 2);
+ bswap16s(&temp16);
+ temp16 = (~temp16) + 1;
+ cpu_physical_memory_read((uint32_t) & ib->tx_buf[i], pkt_buf,
+ temp16);
+ DPRINTF("sending packet, len %d\n", temp16);
+ qemu_send_packet(s->vc, pkt_buf, temp16);
+ temp8 = LE_T1_POK;
+ cpu_physical_memory_write((uint32_t) & ib->btx_ring[i].
+ tmd1_bits, (void *) &temp8, 1);
+ s->txptr = (s->txptr + 1) & TX_RING_MOD_MASK;
+ s->regs[LE_CSR0] |= LE_C0_TINT | LE_C0_INTR;
+ }
}
if ((s->regs[LE_CSR0] & LE_C0_INTR) && (s->regs[LE_CSR0] & LE_C0_INEA))
- pic_set_irq(s->irq, 1);
+ pic_set_irq(s->irq, 1);
}
static uint32_t ledma_mem_readl(void *opaque, target_phys_addr_t addr)
@@ -381,7 +381,7 @@ static uint32_t ledma_mem_readl(void *opaque, target_phys_addr_t addr)
}
static void ledma_mem_writel(void *opaque, target_phys_addr_t addr,
- uint32_t val)
+ uint32_t val)
{
LANCEState *s = opaque;
uint32_t saddr;
@@ -410,11 +410,11 @@ static void lance_save(QEMUFile * f, void *opaque)
qemu_put_be32s(f, &s->leptr);
qemu_put_be16s(f, &s->addr);
for (i = 0; i < LE_NREGS; i++)
- qemu_put_be16s(f, &s->regs[i]);
+ qemu_put_be16s(f, &s->regs[i]);
qemu_put_buffer(f, s->phys, 6);
qemu_put_be32s(f, &s->irq);
for (i = 0; i < LEDMA_REGS; i++)
- qemu_put_be32s(f, &s->ledmaregs[i]);
+ qemu_put_be32s(f, &s->ledmaregs[i]);
}
static int lance_load(QEMUFile * f, void *opaque, int version_id)
@@ -423,16 +423,16 @@ static int lance_load(QEMUFile * f, void *opaque, int version_id)
int i;
if (version_id != 1)
- return -EINVAL;
+ return -EINVAL;
qemu_get_be32s(f, &s->leptr);
qemu_get_be16s(f, &s->addr);
for (i = 0; i < LE_NREGS; i++)
- qemu_get_be16s(f, &s->regs[i]);
+ qemu_get_be16s(f, &s->regs[i]);
qemu_get_buffer(f, s->phys, 6);
qemu_get_be32s(f, &s->irq);
for (i = 0; i < LEDMA_REGS; i++)
- qemu_get_be32s(f, &s->ledmaregs[i]);
+ qemu_get_be32s(f, &s->ledmaregs[i]);
return 0;
}
@@ -443,16 +443,16 @@ void lance_init(NICInfo * nd, int irq, uint32_t leaddr, uint32_t ledaddr)
s = qemu_mallocz(sizeof(LANCEState));
if (!s)
- return;
+ return;
s->irq = irq;
lance_io_memory =
- cpu_register_io_memory(0, lance_mem_read, lance_mem_write, s);
+ cpu_register_io_memory(0, lance_mem_read, lance_mem_write, s);
cpu_register_physical_memory(leaddr, 4, lance_io_memory);
ledma_io_memory =
- cpu_register_io_memory(0, ledma_mem_read, ledma_mem_write, s);
+ cpu_register_io_memory(0, ledma_mem_read, ledma_mem_write, s);
cpu_register_physical_memory(ledaddr, 16, ledma_io_memory);
memcpy(s->macaddr, nd->macaddr, 6);
@@ -460,14 +460,14 @@ void lance_init(NICInfo * nd, int irq, uint32_t leaddr, uint32_t ledaddr)
lance_reset(s);
s->vc =
- qemu_new_vlan_client(nd->vlan, lance_receive, lance_can_receive,
- s);
+ qemu_new_vlan_client(nd->vlan, lance_receive, lance_can_receive,
+ s);
snprintf(s->vc->info_str, sizeof(s->vc->info_str),
- "lance macaddr=%02x:%02x:%02x:%02x:%02x:%02x",
- s->macaddr[0],
- s->macaddr[1],
- s->macaddr[2], s->macaddr[3], s->macaddr[4], s->macaddr[5]);
+ "lance macaddr=%02x:%02x:%02x:%02x:%02x:%02x",
+ s->macaddr[0],
+ s->macaddr[1],
+ s->macaddr[2], s->macaddr[3], s->macaddr[4], s->macaddr[5]);
register_savevm("lance", leaddr, 1, lance_save, lance_load, s);
qemu_register_reset(lance_reset, s);
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-11 09:44:21 +0000